/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:55:45,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:55:45,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:55:45,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:55:45,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:55:45,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:55:45,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:55:45,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:55:45,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:55:45,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:55:45,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:55:45,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:55:45,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:55:45,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:55:45,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:55:45,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:55:45,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:55:45,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:55:45,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:55:45,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:55:45,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:55:45,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:55:45,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:55:45,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:55:45,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:55:45,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:55:45,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:55:45,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:55:45,825 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:55:45,895 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:55:45,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:55:45,896 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:55:45,896 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:55:45,897 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:55:45,898 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:55:45,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:55:45,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:55:45,900 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:55:45,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:55:45,902 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:55:45,902 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:55:45,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:55:45,902 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:55:45,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:55:45,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:55:45,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:55:45,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:55:45,903 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:55:45,903 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:55:45,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:55:45,904 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:55:45,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:55:45,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:55:45,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:55:45,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:55:45,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:55:45,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:55:45,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:55:45,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:55:45,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:55:45,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:55:45,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:55:45,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:55:46,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:55:46,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:55:46,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:55:46,303 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:55:46,304 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:55:46,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-16 15:55:46,374 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82843b6aa/d58cd7743e9e439e878fa2b85fa05359/FLAG6421318a3 [2022-10-16 15:55:46,992 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:55:46,992 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-16 15:55:47,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82843b6aa/d58cd7743e9e439e878fa2b85fa05359/FLAG6421318a3 [2022-10-16 15:55:47,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82843b6aa/d58cd7743e9e439e878fa2b85fa05359 [2022-10-16 15:55:47,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:55:47,399 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:55:47,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:55:47,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:55:47,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:55:47,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:55:47" (1/1) ... [2022-10-16 15:55:47,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fcee65e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:47, skipping insertion in model container [2022-10-16 15:55:47,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:55:47" (1/1) ... [2022-10-16 15:55:47,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:55:47,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:55:47,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[4373,4386] [2022-10-16 15:55:47,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:55:47,712 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:55:47,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[4373,4386] [2022-10-16 15:55:47,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:55:47,806 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:55:47,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:47 WrapperNode [2022-10-16 15:55:47,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:55:47,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:55:47,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:55:47,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:55:47,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:47" (1/1) ... [2022-10-16 15:55:47,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:47" (1/1) ... [2022-10-16 15:55:47,869 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 349 [2022-10-16 15:55:47,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:55:47,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:55:47,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:55:47,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:55:47,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:47" (1/1) ... [2022-10-16 15:55:47,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:47" (1/1) ... [2022-10-16 15:55:47,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:47" (1/1) ... [2022-10-16 15:55:47,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:47" (1/1) ... [2022-10-16 15:55:47,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:47" (1/1) ... [2022-10-16 15:55:47,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:47" (1/1) ... [2022-10-16 15:55:47,906 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:47" (1/1) ... [2022-10-16 15:55:47,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:47" (1/1) ... [2022-10-16 15:55:47,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:55:47,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:55:47,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:55:47,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:55:47,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:47" (1/1) ... [2022-10-16 15:55:47,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:55:47,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:55:47,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:55:47,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:55:48,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:55:48,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:55:48,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:55:48,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:55:48,146 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:55:48,148 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:55:48,681 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:55:48,692 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:55:48,692 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 15:55:48,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:55:48 BoogieIcfgContainer [2022-10-16 15:55:48,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:55:48,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:55:48,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:55:48,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:55:48,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:55:47" (1/3) ... [2022-10-16 15:55:48,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@310d7797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:55:48, skipping insertion in model container [2022-10-16 15:55:48,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:55:47" (2/3) ... [2022-10-16 15:55:48,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@310d7797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:55:48, skipping insertion in model container [2022-10-16 15:55:48,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:55:48" (3/3) ... [2022-10-16 15:55:48,706 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-16 15:55:48,728 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:55:48,728 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-10-16 15:55:48,798 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:55:48,807 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@12524874, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:55:48,808 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-10-16 15:55:48,813 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 98 states have (on average 1.7346938775510203) internal successors, (170), 114 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:48,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 15:55:48,821 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:48,821 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 15:55:48,822 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:55:48,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:48,828 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 15:55:48,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:48,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211751491] [2022-10-16 15:55:48,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:48,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:49,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:49,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:49,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211751491] [2022-10-16 15:55:49,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211751491] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:49,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:49,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 15:55:49,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589673450] [2022-10-16 15:55:49,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:49,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:55:49,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:49,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:55:49,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:55:49,225 INFO L87 Difference]: Start difference. First operand has 115 states, 98 states have (on average 1.7346938775510203) internal successors, (170), 114 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:49,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:49,270 INFO L93 Difference]: Finished difference Result 118 states and 172 transitions. [2022-10-16 15:55:49,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:55:49,272 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 15:55:49,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:49,288 INFO L225 Difference]: With dead ends: 118 [2022-10-16 15:55:49,289 INFO L226 Difference]: Without dead ends: 108 [2022-10-16 15:55:49,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:55:49,306 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:49,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:55:49,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2022-10-16 15:55:49,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2022-10-16 15:55:49,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 96 states have (on average 1.5) internal successors, (144), 107 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:49,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 144 transitions. [2022-10-16 15:55:49,375 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 144 transitions. Word has length 4 [2022-10-16 15:55:49,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:49,375 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 144 transitions. [2022-10-16 15:55:49,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:49,376 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 144 transitions. [2022-10-16 15:55:49,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-16 15:55:49,377 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:49,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:49,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:55:49,378 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:55:49,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:49,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1470999139, now seen corresponding path program 1 times [2022-10-16 15:55:49,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:49,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802015166] [2022-10-16 15:55:49,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:49,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:49,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:49,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:49,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802015166] [2022-10-16 15:55:49,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802015166] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:49,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:49,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:55:49,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863495833] [2022-10-16 15:55:49,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:49,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:55:49,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:49,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:55:49,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:49,568 INFO L87 Difference]: Start difference. First operand 108 states and 144 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:49,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:49,623 INFO L93 Difference]: Finished difference Result 256 states and 354 transitions. [2022-10-16 15:55:49,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:55:49,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-10-16 15:55:49,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:49,626 INFO L225 Difference]: With dead ends: 256 [2022-10-16 15:55:49,626 INFO L226 Difference]: Without dead ends: 172 [2022-10-16 15:55:49,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:49,629 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 104 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:49,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 339 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:55:49,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-10-16 15:55:49,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 162. [2022-10-16 15:55:49,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 150 states have (on average 1.5533333333333332) internal successors, (233), 161 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:49,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 233 transitions. [2022-10-16 15:55:49,679 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 233 transitions. Word has length 27 [2022-10-16 15:55:49,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:49,679 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 233 transitions. [2022-10-16 15:55:49,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:49,680 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 233 transitions. [2022-10-16 15:55:49,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 15:55:49,682 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:49,688 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:49,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:55:49,689 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:55:49,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:49,690 INFO L85 PathProgramCache]: Analyzing trace with hash -553983376, now seen corresponding path program 1 times [2022-10-16 15:55:49,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:49,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535637194] [2022-10-16 15:55:49,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:49,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:49,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:49,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:49,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535637194] [2022-10-16 15:55:49,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535637194] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:49,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:49,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:55:49,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868997680] [2022-10-16 15:55:49,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:49,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:55:49,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:49,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:55:49,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:49,891 INFO L87 Difference]: Start difference. First operand 162 states and 233 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:49,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:49,957 INFO L93 Difference]: Finished difference Result 406 states and 599 transitions. [2022-10-16 15:55:49,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:55:49,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-10-16 15:55:49,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:49,964 INFO L225 Difference]: With dead ends: 406 [2022-10-16 15:55:49,964 INFO L226 Difference]: Without dead ends: 268 [2022-10-16 15:55:49,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:49,972 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 103 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:49,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 328 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:55:49,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2022-10-16 15:55:50,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 256. [2022-10-16 15:55:50,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 244 states have (on average 1.5901639344262295) internal successors, (388), 255 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:50,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 388 transitions. [2022-10-16 15:55:50,079 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 388 transitions. Word has length 39 [2022-10-16 15:55:50,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:50,080 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 388 transitions. [2022-10-16 15:55:50,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:50,081 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 388 transitions. [2022-10-16 15:55:50,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-16 15:55:50,084 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:50,084 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:50,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:55:50,085 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:55:50,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:50,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1335485245, now seen corresponding path program 1 times [2022-10-16 15:55:50,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:50,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570583849] [2022-10-16 15:55:50,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:50,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:50,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:50,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:50,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570583849] [2022-10-16 15:55:50,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570583849] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:50,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:50,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:55:50,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84423160] [2022-10-16 15:55:50,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:50,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:55:50,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:50,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:55:50,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:50,196 INFO L87 Difference]: Start difference. First operand 256 states and 388 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:50,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:50,258 INFO L93 Difference]: Finished difference Result 656 states and 1012 transitions. [2022-10-16 15:55:50,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:55:50,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-10-16 15:55:50,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:50,263 INFO L225 Difference]: With dead ends: 656 [2022-10-16 15:55:50,263 INFO L226 Difference]: Without dead ends: 424 [2022-10-16 15:55:50,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:50,267 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 98 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:50,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 313 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:55:50,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2022-10-16 15:55:50,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 412. [2022-10-16 15:55:50,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 400 states have (on average 1.61) internal successors, (644), 411 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:50,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 644 transitions. [2022-10-16 15:55:50,322 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 644 transitions. Word has length 40 [2022-10-16 15:55:50,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:50,323 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 644 transitions. [2022-10-16 15:55:50,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:50,323 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 644 transitions. [2022-10-16 15:55:50,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 15:55:50,325 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:50,325 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:50,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:55:50,326 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:55:50,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:50,327 INFO L85 PathProgramCache]: Analyzing trace with hash -774358515, now seen corresponding path program 1 times [2022-10-16 15:55:50,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:50,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343928793] [2022-10-16 15:55:50,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:50,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:50,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:50,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:50,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343928793] [2022-10-16 15:55:50,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343928793] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:50,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:50,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:55:50,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130044202] [2022-10-16 15:55:50,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:50,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:55:50,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:50,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:55:50,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:55:50,444 INFO L87 Difference]: Start difference. First operand 412 states and 644 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:50,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:50,625 INFO L93 Difference]: Finished difference Result 1186 states and 1884 transitions. [2022-10-16 15:55:50,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:55:50,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-10-16 15:55:50,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:50,634 INFO L225 Difference]: With dead ends: 1186 [2022-10-16 15:55:50,635 INFO L226 Difference]: Without dead ends: 1184 [2022-10-16 15:55:50,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:55:50,637 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 347 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:50,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 366 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:55:50,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2022-10-16 15:55:50,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 788. [2022-10-16 15:55:50,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 776 states have (on average 1.6082474226804124) internal successors, (1248), 787 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:50,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1248 transitions. [2022-10-16 15:55:50,729 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1248 transitions. Word has length 41 [2022-10-16 15:55:50,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:50,729 INFO L495 AbstractCegarLoop]: Abstraction has 788 states and 1248 transitions. [2022-10-16 15:55:50,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:50,730 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1248 transitions. [2022-10-16 15:55:50,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-16 15:55:50,731 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:50,732 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:50,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:55:50,732 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:55:50,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:50,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1764689965, now seen corresponding path program 1 times [2022-10-16 15:55:50,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:50,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343193506] [2022-10-16 15:55:50,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:50,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:50,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:50,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:50,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343193506] [2022-10-16 15:55:50,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343193506] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:50,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:50,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:55:50,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060116412] [2022-10-16 15:55:50,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:50,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:55:50,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:50,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:55:50,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:55:50,888 INFO L87 Difference]: Start difference. First operand 788 states and 1248 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:51,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:51,078 INFO L93 Difference]: Finished difference Result 1174 states and 1868 transitions. [2022-10-16 15:55:51,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:55:51,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2022-10-16 15:55:51,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:51,086 INFO L225 Difference]: With dead ends: 1174 [2022-10-16 15:55:51,086 INFO L226 Difference]: Without dead ends: 1172 [2022-10-16 15:55:51,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:55:51,089 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 346 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:51,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 239 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:55:51,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2022-10-16 15:55:51,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1164. [2022-10-16 15:55:51,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1164 states, 1152 states have (on average 1.59375) internal successors, (1836), 1163 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:51,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1836 transitions. [2022-10-16 15:55:51,233 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1836 transitions. Word has length 42 [2022-10-16 15:55:51,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:51,234 INFO L495 AbstractCegarLoop]: Abstraction has 1164 states and 1836 transitions. [2022-10-16 15:55:51,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:51,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1836 transitions. [2022-10-16 15:55:51,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-16 15:55:51,237 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:51,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:51,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:55:51,239 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:55:51,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:51,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1129185777, now seen corresponding path program 1 times [2022-10-16 15:55:51,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:51,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450215523] [2022-10-16 15:55:51,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:51,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:51,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:51,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:51,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450215523] [2022-10-16 15:55:51,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450215523] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:51,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:51,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:55:51,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038136029] [2022-10-16 15:55:51,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:51,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:55:51,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:51,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:55:51,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:55:51,386 INFO L87 Difference]: Start difference. First operand 1164 states and 1836 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:51,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:51,733 INFO L93 Difference]: Finished difference Result 3078 states and 4840 transitions. [2022-10-16 15:55:51,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:55:51,734 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-10-16 15:55:51,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:51,745 INFO L225 Difference]: With dead ends: 3078 [2022-10-16 15:55:51,745 INFO L226 Difference]: Without dead ends: 1938 [2022-10-16 15:55:51,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:55:51,750 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 647 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:51,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 534 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:55:51,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2022-10-16 15:55:51,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1540. [2022-10-16 15:55:51,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1540 states, 1528 states have (on average 1.5654450261780104) internal successors, (2392), 1539 states have internal predecessors, (2392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:51,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1540 states and 2392 transitions. [2022-10-16 15:55:51,948 INFO L78 Accepts]: Start accepts. Automaton has 1540 states and 2392 transitions. Word has length 43 [2022-10-16 15:55:51,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:51,949 INFO L495 AbstractCegarLoop]: Abstraction has 1540 states and 2392 transitions. [2022-10-16 15:55:51,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:51,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 2392 transitions. [2022-10-16 15:55:51,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-16 15:55:51,950 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:51,950 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:51,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:55:51,951 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:55:51,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:51,951 INFO L85 PathProgramCache]: Analyzing trace with hash -645020561, now seen corresponding path program 1 times [2022-10-16 15:55:51,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:51,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094575450] [2022-10-16 15:55:51,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:51,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:52,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:52,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:52,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094575450] [2022-10-16 15:55:52,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094575450] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:52,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:52,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:55:52,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301724367] [2022-10-16 15:55:52,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:52,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:55:52,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:52,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:55:52,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:55:52,055 INFO L87 Difference]: Start difference. First operand 1540 states and 2392 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:52,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:52,439 INFO L93 Difference]: Finished difference Result 2314 states and 3616 transitions. [2022-10-16 15:55:52,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:55:52,439 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-10-16 15:55:52,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:52,468 INFO L225 Difference]: With dead ends: 2314 [2022-10-16 15:55:52,468 INFO L226 Difference]: Without dead ends: 2312 [2022-10-16 15:55:52,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:55:52,471 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 789 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:52,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [789 Valid, 438 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:55:52,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2312 states. [2022-10-16 15:55:52,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2312 to 2292. [2022-10-16 15:55:52,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2292 states, 2280 states have (on average 1.5578947368421052) internal successors, (3552), 2291 states have internal predecessors, (3552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:52,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2292 states and 3552 transitions. [2022-10-16 15:55:52,740 INFO L78 Accepts]: Start accepts. Automaton has 2292 states and 3552 transitions. Word has length 44 [2022-10-16 15:55:52,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:52,741 INFO L495 AbstractCegarLoop]: Abstraction has 2292 states and 3552 transitions. [2022-10-16 15:55:52,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:52,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 3552 transitions. [2022-10-16 15:55:52,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 15:55:52,742 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:52,743 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:52,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:55:52,743 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:55:52,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:52,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1392542326, now seen corresponding path program 1 times [2022-10-16 15:55:52,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:52,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761235916] [2022-10-16 15:55:52,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:52,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:52,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:52,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:52,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761235916] [2022-10-16 15:55:52,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761235916] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:52,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:52,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:55:52,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348870296] [2022-10-16 15:55:52,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:52,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:55:52,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:52,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:55:52,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:52,826 INFO L87 Difference]: Start difference. First operand 2292 states and 3552 transitions. Second operand has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:53,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:53,059 INFO L93 Difference]: Finished difference Result 2349 states and 3628 transitions. [2022-10-16 15:55:53,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:55:53,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-10-16 15:55:53,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:53,074 INFO L225 Difference]: With dead ends: 2349 [2022-10-16 15:55:53,074 INFO L226 Difference]: Without dead ends: 2347 [2022-10-16 15:55:53,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:53,077 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 49 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:53,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 275 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:55:53,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2347 states. [2022-10-16 15:55:53,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2347 to 2347. [2022-10-16 15:55:53,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2347 states, 2335 states have (on average 1.5528907922912205) internal successors, (3626), 2346 states have internal predecessors, (3626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:53,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2347 states to 2347 states and 3626 transitions. [2022-10-16 15:55:53,307 INFO L78 Accepts]: Start accepts. Automaton has 2347 states and 3626 transitions. Word has length 49 [2022-10-16 15:55:53,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:53,307 INFO L495 AbstractCegarLoop]: Abstraction has 2347 states and 3626 transitions. [2022-10-16 15:55:53,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:53,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2347 states and 3626 transitions. [2022-10-16 15:55:53,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 15:55:53,308 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:53,308 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:53,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:55:53,309 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:55:53,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:53,310 INFO L85 PathProgramCache]: Analyzing trace with hash 29319403, now seen corresponding path program 1 times [2022-10-16 15:55:53,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:53,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573882356] [2022-10-16 15:55:53,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:53,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:53,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:55:53,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:53,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573882356] [2022-10-16 15:55:53,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573882356] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:53,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:53,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:55:53,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004620862] [2022-10-16 15:55:53,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:53,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:55:53,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:53,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:55:53,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:53,401 INFO L87 Difference]: Start difference. First operand 2347 states and 3626 transitions. Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:53,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:53,600 INFO L93 Difference]: Finished difference Result 2347 states and 3626 transitions. [2022-10-16 15:55:53,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:55:53,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-10-16 15:55:53,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:53,615 INFO L225 Difference]: With dead ends: 2347 [2022-10-16 15:55:53,616 INFO L226 Difference]: Without dead ends: 2346 [2022-10-16 15:55:53,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:53,618 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 91 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:53,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 137 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:55:53,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2346 states. [2022-10-16 15:55:53,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2346 to 2346. [2022-10-16 15:55:53,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2346 states, 2335 states have (on average 1.5426124197002142) internal successors, (3602), 2345 states have internal predecessors, (3602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:53,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 2346 states and 3602 transitions. [2022-10-16 15:55:53,870 INFO L78 Accepts]: Start accepts. Automaton has 2346 states and 3602 transitions. Word has length 53 [2022-10-16 15:55:53,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:53,870 INFO L495 AbstractCegarLoop]: Abstraction has 2346 states and 3602 transitions. [2022-10-16 15:55:53,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:53,871 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 3602 transitions. [2022-10-16 15:55:53,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 15:55:53,872 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:53,872 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:53,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:55:53,872 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:55:53,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:53,873 INFO L85 PathProgramCache]: Analyzing trace with hash 908901598, now seen corresponding path program 1 times [2022-10-16 15:55:53,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:53,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961285174] [2022-10-16 15:55:53,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:53,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:53,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:55:53,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:53,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961285174] [2022-10-16 15:55:53,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961285174] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:53,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:53,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:55:53,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050481455] [2022-10-16 15:55:53,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:53,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:55:53,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:53,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:55:53,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:53,952 INFO L87 Difference]: Start difference. First operand 2346 states and 3602 transitions. Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:54,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:54,236 INFO L93 Difference]: Finished difference Result 2346 states and 3602 transitions. [2022-10-16 15:55:54,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:55:54,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-10-16 15:55:54,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:54,251 INFO L225 Difference]: With dead ends: 2346 [2022-10-16 15:55:54,251 INFO L226 Difference]: Without dead ends: 2345 [2022-10-16 15:55:54,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:54,254 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 89 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:54,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 137 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:55:54,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2345 states. [2022-10-16 15:55:54,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2345 to 2345. [2022-10-16 15:55:54,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2345 states, 2335 states have (on average 1.5323340471092077) internal successors, (3578), 2344 states have internal predecessors, (3578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:54,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 2345 states and 3578 transitions. [2022-10-16 15:55:54,530 INFO L78 Accepts]: Start accepts. Automaton has 2345 states and 3578 transitions. Word has length 54 [2022-10-16 15:55:54,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:54,530 INFO L495 AbstractCegarLoop]: Abstraction has 2345 states and 3578 transitions. [2022-10-16 15:55:54,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:54,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2345 states and 3578 transitions. [2022-10-16 15:55:54,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 15:55:54,532 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:54,533 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:54,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:55:54,533 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:55:54,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:54,534 INFO L85 PathProgramCache]: Analyzing trace with hash -979332922, now seen corresponding path program 1 times [2022-10-16 15:55:54,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:54,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787739608] [2022-10-16 15:55:54,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:54,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:54,607 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:54,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:54,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787739608] [2022-10-16 15:55:54,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787739608] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:54,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:54,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:55:54,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967498263] [2022-10-16 15:55:54,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:54,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:55:54,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:54,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:55:54,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:54,611 INFO L87 Difference]: Start difference. First operand 2345 states and 3578 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:55,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:55,203 INFO L93 Difference]: Finished difference Result 6643 states and 10143 transitions. [2022-10-16 15:55:55,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:55:55,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-16 15:55:55,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:55,229 INFO L225 Difference]: With dead ends: 6643 [2022-10-16 15:55:55,229 INFO L226 Difference]: Without dead ends: 4377 [2022-10-16 15:55:55,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:55,235 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 79 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:55,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 289 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:55:55,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4377 states. [2022-10-16 15:55:55,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4377 to 4367. [2022-10-16 15:55:55,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4367 states, 4357 states have (on average 1.518246499885242) internal successors, (6615), 4366 states have internal predecessors, (6615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:55,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4367 states to 4367 states and 6615 transitions. [2022-10-16 15:55:55,806 INFO L78 Accepts]: Start accepts. Automaton has 4367 states and 6615 transitions. Word has length 68 [2022-10-16 15:55:55,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:55,807 INFO L495 AbstractCegarLoop]: Abstraction has 4367 states and 6615 transitions. [2022-10-16 15:55:55,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:55,807 INFO L276 IsEmpty]: Start isEmpty. Operand 4367 states and 6615 transitions. [2022-10-16 15:55:55,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 15:55:55,809 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:55,809 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:55,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:55:55,810 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:55:55,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:55,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1768601083, now seen corresponding path program 1 times [2022-10-16 15:55:55,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:55,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338034500] [2022-10-16 15:55:55,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:55,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:55,884 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:55:55,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:55,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338034500] [2022-10-16 15:55:55,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338034500] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:55,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:55,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:55:55,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969993937] [2022-10-16 15:55:55,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:55,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:55:55,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:55,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:55:55,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:55,887 INFO L87 Difference]: Start difference. First operand 4367 states and 6615 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:56,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:56,792 INFO L93 Difference]: Finished difference Result 12428 states and 18804 transitions. [2022-10-16 15:55:56,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:55:56,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-16 15:55:56,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:56,834 INFO L225 Difference]: With dead ends: 12428 [2022-10-16 15:55:56,834 INFO L226 Difference]: Without dead ends: 8170 [2022-10-16 15:55:56,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:55:56,843 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 77 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:56,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 272 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:55:56,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8170 states. [2022-10-16 15:55:57,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8170 to 8160. [2022-10-16 15:55:57,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8160 states, 8150 states have (on average 1.5003680981595091) internal successors, (12228), 8159 states have internal predecessors, (12228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:57,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8160 states to 8160 states and 12228 transitions. [2022-10-16 15:55:57,756 INFO L78 Accepts]: Start accepts. Automaton has 8160 states and 12228 transitions. Word has length 69 [2022-10-16 15:55:57,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:55:57,756 INFO L495 AbstractCegarLoop]: Abstraction has 8160 states and 12228 transitions. [2022-10-16 15:55:57,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:57,757 INFO L276 IsEmpty]: Start isEmpty. Operand 8160 states and 12228 transitions. [2022-10-16 15:55:57,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 15:55:57,759 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:55:57,760 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:55:57,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:55:57,760 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:55:57,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:55:57,761 INFO L85 PathProgramCache]: Analyzing trace with hash -281896177, now seen corresponding path program 1 times [2022-10-16 15:55:57,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:55:57,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729092888] [2022-10-16 15:55:57,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:55:57,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:55:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:55:57,872 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 15:55:57,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:55:57,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729092888] [2022-10-16 15:55:57,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729092888] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:55:57,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:55:57,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:55:57,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086292471] [2022-10-16 15:55:57,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:55:57,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:55:57,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:55:57,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:55:57,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:55:57,875 INFO L87 Difference]: Start difference. First operand 8160 states and 12228 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:55:59,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:55:59,179 INFO L93 Difference]: Finished difference Result 10828 states and 16292 transitions. [2022-10-16 15:55:59,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:55:59,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 15:55:59,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:55:59,216 INFO L225 Difference]: With dead ends: 10828 [2022-10-16 15:55:59,216 INFO L226 Difference]: Without dead ends: 10826 [2022-10-16 15:55:59,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:55:59,224 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 185 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:55:59,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 444 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:55:59,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10826 states. [2022-10-16 15:55:59,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10826 to 9488. [2022-10-16 15:56:00,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9488 states, 9478 states have (on average 1.5011605824013505) internal successors, (14228), 9487 states have internal predecessors, (14228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:00,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9488 states to 9488 states and 14228 transitions. [2022-10-16 15:56:00,039 INFO L78 Accepts]: Start accepts. Automaton has 9488 states and 14228 transitions. Word has length 70 [2022-10-16 15:56:00,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:00,040 INFO L495 AbstractCegarLoop]: Abstraction has 9488 states and 14228 transitions. [2022-10-16 15:56:00,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:00,040 INFO L276 IsEmpty]: Start isEmpty. Operand 9488 states and 14228 transitions. [2022-10-16 15:56:00,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 15:56:00,043 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:00,044 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:00,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:56:00,044 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:56:00,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:00,045 INFO L85 PathProgramCache]: Analyzing trace with hash 2055041957, now seen corresponding path program 1 times [2022-10-16 15:56:00,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:00,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618039127] [2022-10-16 15:56:00,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:00,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:00,127 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:56:00,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:00,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618039127] [2022-10-16 15:56:00,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618039127] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:00,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:00,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:56:00,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332988109] [2022-10-16 15:56:00,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:00,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:56:00,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:00,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:56:00,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:56:00,130 INFO L87 Difference]: Start difference. First operand 9488 states and 14228 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:01,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:01,410 INFO L93 Difference]: Finished difference Result 26936 states and 40284 transitions. [2022-10-16 15:56:01,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:56:01,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 15:56:01,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:01,469 INFO L225 Difference]: With dead ends: 26936 [2022-10-16 15:56:01,469 INFO L226 Difference]: Without dead ends: 17630 [2022-10-16 15:56:01,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:56:01,491 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 80 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:01,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 308 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:56:01,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17630 states. [2022-10-16 15:56:03,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17630 to 17620. [2022-10-16 15:56:03,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17620 states, 17610 states have (on average 1.4798409994321409) internal successors, (26060), 17619 states have internal predecessors, (26060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:03,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17620 states to 17620 states and 26060 transitions. [2022-10-16 15:56:03,484 INFO L78 Accepts]: Start accepts. Automaton has 17620 states and 26060 transitions. Word has length 70 [2022-10-16 15:56:03,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:03,484 INFO L495 AbstractCegarLoop]: Abstraction has 17620 states and 26060 transitions. [2022-10-16 15:56:03,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:03,485 INFO L276 IsEmpty]: Start isEmpty. Operand 17620 states and 26060 transitions. [2022-10-16 15:56:03,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 15:56:03,489 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:03,489 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:03,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:56:03,490 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:56:03,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:03,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1475682642, now seen corresponding path program 1 times [2022-10-16 15:56:03,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:03,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276034652] [2022-10-16 15:56:03,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:03,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:03,594 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:56:03,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:03,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276034652] [2022-10-16 15:56:03,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276034652] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:03,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:03,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:56:03,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540717933] [2022-10-16 15:56:03,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:03,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:56:03,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:03,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:56:03,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:56:03,597 INFO L87 Difference]: Start difference. First operand 17620 states and 26060 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:05,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:05,387 INFO L93 Difference]: Finished difference Result 25074 states and 37356 transitions. [2022-10-16 15:56:05,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:56:05,388 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 15:56:05,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:05,469 INFO L225 Difference]: With dead ends: 25074 [2022-10-16 15:56:05,469 INFO L226 Difference]: Without dead ends: 25072 [2022-10-16 15:56:05,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:56:05,478 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 181 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:05,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 452 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:56:05,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25072 states. [2022-10-16 15:56:07,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25072 to 23828. [2022-10-16 15:56:07,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23828 states, 23818 states have (on average 1.4844235452179024) internal successors, (35356), 23827 states have internal predecessors, (35356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:07,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23828 states to 23828 states and 35356 transitions. [2022-10-16 15:56:07,839 INFO L78 Accepts]: Start accepts. Automaton has 23828 states and 35356 transitions. Word has length 71 [2022-10-16 15:56:07,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:07,839 INFO L495 AbstractCegarLoop]: Abstraction has 23828 states and 35356 transitions. [2022-10-16 15:56:07,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:07,840 INFO L276 IsEmpty]: Start isEmpty. Operand 23828 states and 35356 transitions. [2022-10-16 15:56:07,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 15:56:07,846 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:07,847 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:07,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:56:07,848 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:56:07,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:07,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1498478508, now seen corresponding path program 1 times [2022-10-16 15:56:07,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:07,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615156931] [2022-10-16 15:56:07,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:07,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:08,079 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:56:08,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:08,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615156931] [2022-10-16 15:56:08,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615156931] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:08,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:08,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:56:08,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8632976] [2022-10-16 15:56:08,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:08,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:56:08,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:08,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:56:08,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:56:08,082 INFO L87 Difference]: Start difference. First operand 23828 states and 35356 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:09,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:09,702 INFO L93 Difference]: Finished difference Result 23834 states and 35356 transitions. [2022-10-16 15:56:09,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:56:09,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 15:56:09,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:09,751 INFO L225 Difference]: With dead ends: 23834 [2022-10-16 15:56:09,751 INFO L226 Difference]: Without dead ends: 23832 [2022-10-16 15:56:09,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:56:09,763 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 182 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:09,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 347 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:56:09,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23832 states. [2022-10-16 15:56:11,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23832 to 20446. [2022-10-16 15:56:11,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20446 states, 20438 states have (on average 1.461591153733242) internal successors, (29872), 20445 states have internal predecessors, (29872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:11,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20446 states to 20446 states and 29872 transitions. [2022-10-16 15:56:11,925 INFO L78 Accepts]: Start accepts. Automaton has 20446 states and 29872 transitions. Word has length 72 [2022-10-16 15:56:11,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:11,926 INFO L495 AbstractCegarLoop]: Abstraction has 20446 states and 29872 transitions. [2022-10-16 15:56:11,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:11,926 INFO L276 IsEmpty]: Start isEmpty. Operand 20446 states and 29872 transitions. [2022-10-16 15:56:11,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 15:56:11,931 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:11,932 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:11,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:56:11,932 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:56:11,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:11,933 INFO L85 PathProgramCache]: Analyzing trace with hash -319281519, now seen corresponding path program 1 times [2022-10-16 15:56:11,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:11,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976132769] [2022-10-16 15:56:11,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:11,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:12,082 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 15:56:12,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:12,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976132769] [2022-10-16 15:56:12,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976132769] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:12,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:12,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:56:12,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448446864] [2022-10-16 15:56:12,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:12,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:56:12,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:12,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:56:12,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:56:12,084 INFO L87 Difference]: Start difference. First operand 20446 states and 29872 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:14,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:14,243 INFO L93 Difference]: Finished difference Result 38758 states and 56924 transitions. [2022-10-16 15:56:14,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:56:14,244 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 15:56:14,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:14,288 INFO L225 Difference]: With dead ends: 38758 [2022-10-16 15:56:14,289 INFO L226 Difference]: Without dead ends: 26334 [2022-10-16 15:56:14,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:56:14,315 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 407 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:14,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 601 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:56:14,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26334 states. [2022-10-16 15:56:16,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26334 to 25406. [2022-10-16 15:56:16,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25406 states, 25398 states have (on average 1.4457831325301205) internal successors, (36720), 25405 states have internal predecessors, (36720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:16,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25406 states to 25406 states and 36720 transitions. [2022-10-16 15:56:16,564 INFO L78 Accepts]: Start accepts. Automaton has 25406 states and 36720 transitions. Word has length 72 [2022-10-16 15:56:16,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:16,565 INFO L495 AbstractCegarLoop]: Abstraction has 25406 states and 36720 transitions. [2022-10-16 15:56:16,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:16,565 INFO L276 IsEmpty]: Start isEmpty. Operand 25406 states and 36720 transitions. [2022-10-16 15:56:16,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 15:56:16,569 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:16,570 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:16,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:56:16,570 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:56:16,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:16,571 INFO L85 PathProgramCache]: Analyzing trace with hash 251790876, now seen corresponding path program 1 times [2022-10-16 15:56:16,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:16,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437132712] [2022-10-16 15:56:16,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:16,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:16,693 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 15:56:16,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:16,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437132712] [2022-10-16 15:56:16,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437132712] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:16,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:16,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:56:16,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545260921] [2022-10-16 15:56:16,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:16,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:56:16,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:16,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:56:16,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:56:16,696 INFO L87 Difference]: Start difference. First operand 25406 states and 36720 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:19,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:19,288 INFO L93 Difference]: Finished difference Result 45280 states and 66032 transitions. [2022-10-16 15:56:19,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:56:19,288 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 15:56:19,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:19,331 INFO L225 Difference]: With dead ends: 45280 [2022-10-16 15:56:19,331 INFO L226 Difference]: Without dead ends: 27564 [2022-10-16 15:56:19,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:56:19,351 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 405 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:19,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 592 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:56:19,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27564 states. [2022-10-16 15:56:21,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27564 to 26642. [2022-10-16 15:56:21,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26642 states, 26634 states have (on average 1.4384621160922129) internal successors, (38312), 26641 states have internal predecessors, (38312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:21,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26642 states to 26642 states and 38312 transitions. [2022-10-16 15:56:21,739 INFO L78 Accepts]: Start accepts. Automaton has 26642 states and 38312 transitions. Word has length 72 [2022-10-16 15:56:21,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:21,739 INFO L495 AbstractCegarLoop]: Abstraction has 26642 states and 38312 transitions. [2022-10-16 15:56:21,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:21,739 INFO L276 IsEmpty]: Start isEmpty. Operand 26642 states and 38312 transitions. [2022-10-16 15:56:21,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 15:56:21,749 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:21,749 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:21,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:56:21,750 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:56:21,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:21,750 INFO L85 PathProgramCache]: Analyzing trace with hash -791806352, now seen corresponding path program 1 times [2022-10-16 15:56:21,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:21,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816863918] [2022-10-16 15:56:21,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:21,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:21,930 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:56:21,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:21,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816863918] [2022-10-16 15:56:21,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816863918] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:21,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:21,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:56:21,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199568867] [2022-10-16 15:56:21,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:21,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:56:21,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:21,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:56:21,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:56:21,932 INFO L87 Difference]: Start difference. First operand 26642 states and 38312 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:24,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:24,606 INFO L93 Difference]: Finished difference Result 44950 states and 65324 transitions. [2022-10-16 15:56:24,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:56:24,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 15:56:24,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:24,653 INFO L225 Difference]: With dead ends: 44950 [2022-10-16 15:56:24,653 INFO L226 Difference]: Without dead ends: 32526 [2022-10-16 15:56:24,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:56:24,673 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 397 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:24,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 648 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:56:24,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32526 states. [2022-10-16 15:56:27,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32526 to 30994. [2022-10-16 15:56:27,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30994 states, 30986 states have (on average 1.4313560963015555) internal successors, (44352), 30993 states have internal predecessors, (44352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:27,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30994 states to 30994 states and 44352 transitions. [2022-10-16 15:56:27,440 INFO L78 Accepts]: Start accepts. Automaton has 30994 states and 44352 transitions. Word has length 73 [2022-10-16 15:56:27,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:27,440 INFO L495 AbstractCegarLoop]: Abstraction has 30994 states and 44352 transitions. [2022-10-16 15:56:27,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:27,441 INFO L276 IsEmpty]: Start isEmpty. Operand 30994 states and 44352 transitions. [2022-10-16 15:56:27,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 15:56:27,446 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:27,447 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:27,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:56:27,447 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:56:27,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:27,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1307792339, now seen corresponding path program 1 times [2022-10-16 15:56:27,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:27,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503498907] [2022-10-16 15:56:27,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:27,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:27,582 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 15:56:27,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:27,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503498907] [2022-10-16 15:56:27,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503498907] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:27,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:27,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:56:27,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290184250] [2022-10-16 15:56:27,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:27,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:56:27,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:27,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:56:27,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:56:27,585 INFO L87 Difference]: Start difference. First operand 30994 states and 44352 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:31,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:31,449 INFO L93 Difference]: Finished difference Result 48658 states and 70492 transitions. [2022-10-16 15:56:31,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:56:31,449 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 15:56:31,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:31,524 INFO L225 Difference]: With dead ends: 48658 [2022-10-16 15:56:31,525 INFO L226 Difference]: Without dead ends: 48656 [2022-10-16 15:56:31,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:56:31,537 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 418 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:31,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 451 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:56:31,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48656 states. [2022-10-16 15:56:34,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48656 to 32262. [2022-10-16 15:56:34,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32262 states, 32254 states have (on average 1.4408135425063557) internal successors, (46472), 32261 states have internal predecessors, (46472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:34,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32262 states to 32262 states and 46472 transitions. [2022-10-16 15:56:34,775 INFO L78 Accepts]: Start accepts. Automaton has 32262 states and 46472 transitions. Word has length 73 [2022-10-16 15:56:34,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:34,776 INFO L495 AbstractCegarLoop]: Abstraction has 32262 states and 46472 transitions. [2022-10-16 15:56:34,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:34,776 INFO L276 IsEmpty]: Start isEmpty. Operand 32262 states and 46472 transitions. [2022-10-16 15:56:34,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 15:56:34,780 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:34,780 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:34,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:56:34,781 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:56:34,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:34,781 INFO L85 PathProgramCache]: Analyzing trace with hash -993052063, now seen corresponding path program 1 times [2022-10-16 15:56:34,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:34,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058312930] [2022-10-16 15:56:34,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:34,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:34,845 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 15:56:34,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:34,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058312930] [2022-10-16 15:56:34,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058312930] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:34,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:34,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:56:34,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537817948] [2022-10-16 15:56:34,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:34,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:56:34,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:34,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:56:34,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:56:34,847 INFO L87 Difference]: Start difference. First operand 32262 states and 46472 transitions. Second operand has 3 states, 2 states have (on average 36.5) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:37,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:37,736 INFO L93 Difference]: Finished difference Result 32262 states and 46472 transitions. [2022-10-16 15:56:37,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:56:37,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 36.5) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 15:56:37,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:37,789 INFO L225 Difference]: With dead ends: 32262 [2022-10-16 15:56:37,789 INFO L226 Difference]: Without dead ends: 32261 [2022-10-16 15:56:37,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:56:37,800 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 92 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:37,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 154 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:56:37,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32261 states. [2022-10-16 15:56:40,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32261 to 32261. [2022-10-16 15:56:40,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32261 states, 32254 states have (on average 1.4152663235567682) internal successors, (45648), 32260 states have internal predecessors, (45648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:40,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32261 states to 32261 states and 45648 transitions. [2022-10-16 15:56:40,855 INFO L78 Accepts]: Start accepts. Automaton has 32261 states and 45648 transitions. Word has length 73 [2022-10-16 15:56:40,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:40,856 INFO L495 AbstractCegarLoop]: Abstraction has 32261 states and 45648 transitions. [2022-10-16 15:56:40,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 36.5) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:40,856 INFO L276 IsEmpty]: Start isEmpty. Operand 32261 states and 45648 transitions. [2022-10-16 15:56:40,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 15:56:40,860 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:40,861 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:40,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:56:40,861 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:56:40,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:40,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1223807022, now seen corresponding path program 1 times [2022-10-16 15:56:40,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:40,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67513123] [2022-10-16 15:56:40,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:40,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:40,989 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:56:40,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:40,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67513123] [2022-10-16 15:56:40,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67513123] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:40,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:40,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:56:40,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946649261] [2022-10-16 15:56:40,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:40,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:56:40,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:40,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:56:40,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:56:40,992 INFO L87 Difference]: Start difference. First operand 32261 states and 45648 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:45,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:45,713 INFO L93 Difference]: Finished difference Result 47455 states and 67788 transitions. [2022-10-16 15:56:45,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:56:45,713 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 15:56:45,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:45,779 INFO L225 Difference]: With dead ends: 47455 [2022-10-16 15:56:45,780 INFO L226 Difference]: Without dead ends: 47453 [2022-10-16 15:56:45,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:56:45,792 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 406 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:45,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 438 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:56:45,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47453 states. [2022-10-16 15:56:48,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47453 to 29493. [2022-10-16 15:56:48,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29493 states, 29486 states have (on average 1.4204707318727532) internal successors, (41884), 29492 states have internal predecessors, (41884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:48,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29493 states to 29493 states and 41884 transitions. [2022-10-16 15:56:48,799 INFO L78 Accepts]: Start accepts. Automaton has 29493 states and 41884 transitions. Word has length 74 [2022-10-16 15:56:48,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:48,799 INFO L495 AbstractCegarLoop]: Abstraction has 29493 states and 41884 transitions. [2022-10-16 15:56:48,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:48,799 INFO L276 IsEmpty]: Start isEmpty. Operand 29493 states and 41884 transitions. [2022-10-16 15:56:48,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 15:56:48,802 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:48,803 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:48,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 15:56:48,803 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:56:48,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:48,803 INFO L85 PathProgramCache]: Analyzing trace with hash -719842706, now seen corresponding path program 1 times [2022-10-16 15:56:48,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:48,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566233008] [2022-10-16 15:56:48,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:48,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:56:48,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:48,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566233008] [2022-10-16 15:56:48,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566233008] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 15:56:48,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334068797] [2022-10-16 15:56:48,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:48,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:56:48,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:56:48,902 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 15:56:48,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 15:56:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:49,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 15:56:49,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 15:56:49,315 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 15:56:49,316 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 15:56:49,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334068797] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:49,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 15:56:49,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3] total 7 [2022-10-16 15:56:49,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90022347] [2022-10-16 15:56:49,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:49,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:56:49,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:49,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:56:49,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:56:49,318 INFO L87 Difference]: Start difference. First operand 29493 states and 41884 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:52,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:52,165 INFO L93 Difference]: Finished difference Result 35104 states and 49480 transitions. [2022-10-16 15:56:52,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:56:52,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 15:56:52,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:52,196 INFO L225 Difference]: With dead ends: 35104 [2022-10-16 15:56:52,196 INFO L226 Difference]: Without dead ends: 21669 [2022-10-16 15:56:52,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:56:52,214 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 312 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:52,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 508 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:56:52,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21669 states. [2022-10-16 15:56:54,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21669 to 20828. [2022-10-16 15:56:54,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20828 states, 20821 states have (on average 1.4017098122088276) internal successors, (29185), 20827 states have internal predecessors, (29185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:54,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20828 states to 20828 states and 29185 transitions. [2022-10-16 15:56:54,370 INFO L78 Accepts]: Start accepts. Automaton has 20828 states and 29185 transitions. Word has length 74 [2022-10-16 15:56:54,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:54,371 INFO L495 AbstractCegarLoop]: Abstraction has 20828 states and 29185 transitions. [2022-10-16 15:56:54,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:54,371 INFO L276 IsEmpty]: Start isEmpty. Operand 20828 states and 29185 transitions. [2022-10-16 15:56:54,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 15:56:54,374 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:54,374 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:54,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 15:56:54,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-10-16 15:56:54,576 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:56:54,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:54,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1654572889, now seen corresponding path program 1 times [2022-10-16 15:56:54,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:54,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270745912] [2022-10-16 15:56:54,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:54,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:54,702 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:56:54,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:54,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270745912] [2022-10-16 15:56:54,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270745912] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:54,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:54,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:56:54,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846837145] [2022-10-16 15:56:54,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:54,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:56:54,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:54,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:56:54,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:56:54,705 INFO L87 Difference]: Start difference. First operand 20828 states and 29185 transitions. Second operand has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:57,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:57,700 INFO L93 Difference]: Finished difference Result 29022 states and 41127 transitions. [2022-10-16 15:56:57,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:56:57,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 15:56:57,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:57,744 INFO L225 Difference]: With dead ends: 29022 [2022-10-16 15:56:57,745 INFO L226 Difference]: Without dead ends: 29020 [2022-10-16 15:56:57,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:56:57,755 INFO L413 NwaCegarLoop]: 329 mSDtfsCounter, 218 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:57,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 541 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:56:57,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29020 states. [2022-10-16 15:57:00,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29020 to 26170. [2022-10-16 15:57:00,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26170 states, 26163 states have (on average 1.4025914459350992) internal successors, (36696), 26169 states have internal predecessors, (36696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:00,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26170 states to 26170 states and 36696 transitions. [2022-10-16 15:57:00,559 INFO L78 Accepts]: Start accepts. Automaton has 26170 states and 36696 transitions. Word has length 76 [2022-10-16 15:57:00,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:57:00,560 INFO L495 AbstractCegarLoop]: Abstraction has 26170 states and 36696 transitions. [2022-10-16 15:57:00,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:00,560 INFO L276 IsEmpty]: Start isEmpty. Operand 26170 states and 36696 transitions. [2022-10-16 15:57:00,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 15:57:00,565 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:57:00,565 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:57:00,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 15:57:00,565 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:57:00,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:57:00,566 INFO L85 PathProgramCache]: Analyzing trace with hash 308412261, now seen corresponding path program 1 times [2022-10-16 15:57:00,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:57:00,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87119761] [2022-10-16 15:57:00,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:00,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:57:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:00,631 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:57:00,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:57:00,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87119761] [2022-10-16 15:57:00,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87119761] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:57:00,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:57:00,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:57:00,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132060241] [2022-10-16 15:57:00,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:57:00,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:57:00,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:57:00,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:57:00,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:57:00,634 INFO L87 Difference]: Start difference. First operand 26170 states and 36696 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:02,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:57:02,750 INFO L93 Difference]: Finished difference Result 29457 states and 40984 transitions. [2022-10-16 15:57:02,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:57:02,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 15:57:02,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:57:02,775 INFO L225 Difference]: With dead ends: 29457 [2022-10-16 15:57:02,776 INFO L226 Difference]: Without dead ends: 18567 [2022-10-16 15:57:02,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:57:02,787 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 77 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:57:02,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 312 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:57:02,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18567 states. [2022-10-16 15:57:04,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18567 to 18514. [2022-10-16 15:57:04,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18514 states, 18507 states have (on average 1.375155346625601) internal successors, (25450), 18513 states have internal predecessors, (25450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:04,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18514 states to 18514 states and 25450 transitions. [2022-10-16 15:57:04,961 INFO L78 Accepts]: Start accepts. Automaton has 18514 states and 25450 transitions. Word has length 76 [2022-10-16 15:57:04,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:57:04,961 INFO L495 AbstractCegarLoop]: Abstraction has 18514 states and 25450 transitions. [2022-10-16 15:57:04,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:04,962 INFO L276 IsEmpty]: Start isEmpty. Operand 18514 states and 25450 transitions. [2022-10-16 15:57:04,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 15:57:04,965 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:57:04,965 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:57:04,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 15:57:04,966 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:57:04,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:57:04,966 INFO L85 PathProgramCache]: Analyzing trace with hash 488735223, now seen corresponding path program 1 times [2022-10-16 15:57:04,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:57:04,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023741076] [2022-10-16 15:57:04,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:04,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:57:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:05,067 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:57:05,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:57:05,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023741076] [2022-10-16 15:57:05,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023741076] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 15:57:05,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970025302] [2022-10-16 15:57:05,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:05,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:57:05,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:57:05,074 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 15:57:05,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 15:57:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:05,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 15:57:05,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 15:57:05,273 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-16 15:57:05,274 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 15:57:05,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970025302] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:57:05,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 15:57:05,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 7 [2022-10-16 15:57:05,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338511789] [2022-10-16 15:57:05,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:57:05,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:57:05,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:57:05,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:57:05,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:57:05,276 INFO L87 Difference]: Start difference. First operand 18514 states and 25450 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:08,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:57:08,370 INFO L93 Difference]: Finished difference Result 44534 states and 61085 transitions. [2022-10-16 15:57:08,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:57:08,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 15:57:08,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:57:08,408 INFO L225 Difference]: With dead ends: 44534 [2022-10-16 15:57:08,408 INFO L226 Difference]: Without dead ends: 26074 [2022-10-16 15:57:08,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:57:08,429 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 330 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:57:08,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 181 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:57:08,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26074 states. [2022-10-16 15:57:11,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26074 to 25882. [2022-10-16 15:57:11,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25882 states, 25875 states have (on average 1.3625507246376811) internal successors, (35256), 25881 states have internal predecessors, (35256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:11,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25882 states to 25882 states and 35256 transitions. [2022-10-16 15:57:11,665 INFO L78 Accepts]: Start accepts. Automaton has 25882 states and 35256 transitions. Word has length 76 [2022-10-16 15:57:11,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:57:11,666 INFO L495 AbstractCegarLoop]: Abstraction has 25882 states and 35256 transitions. [2022-10-16 15:57:11,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:11,666 INFO L276 IsEmpty]: Start isEmpty. Operand 25882 states and 35256 transitions. [2022-10-16 15:57:11,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 15:57:11,670 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:57:11,670 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:57:11,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-16 15:57:11,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-10-16 15:57:11,871 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:57:11,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:57:11,872 INFO L85 PathProgramCache]: Analyzing trace with hash 219460124, now seen corresponding path program 1 times [2022-10-16 15:57:11,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:57:11,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998065322] [2022-10-16 15:57:11,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:11,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:57:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:11,958 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:57:11,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:57:11,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998065322] [2022-10-16 15:57:11,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998065322] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 15:57:11,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340064805] [2022-10-16 15:57:11,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:11,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:57:11,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:57:11,960 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 15:57:11,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 15:57:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:12,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 15:57:12,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 15:57:12,146 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:57:12,147 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 15:57:12,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340064805] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:57:12,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 15:57:12,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-10-16 15:57:12,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57872007] [2022-10-16 15:57:12,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:57:12,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:57:12,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:57:12,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:57:12,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:12,149 INFO L87 Difference]: Start difference. First operand 25882 states and 35256 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:15,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:57:15,778 INFO L93 Difference]: Finished difference Result 25882 states and 35256 transitions. [2022-10-16 15:57:15,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:57:15,779 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 15:57:15,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:57:15,809 INFO L225 Difference]: With dead ends: 25882 [2022-10-16 15:57:15,810 INFO L226 Difference]: Without dead ends: 22693 [2022-10-16 15:57:15,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:15,818 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 174 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:57:15,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 289 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:57:15,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22693 states. [2022-10-16 15:57:18,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22693 to 22582. [2022-10-16 15:57:18,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22582 states, 22576 states have (on average 1.3499734231041813) internal successors, (30477), 22581 states have internal predecessors, (30477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:18,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22582 states to 22582 states and 30477 transitions. [2022-10-16 15:57:18,581 INFO L78 Accepts]: Start accepts. Automaton has 22582 states and 30477 transitions. Word has length 76 [2022-10-16 15:57:18,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:57:18,582 INFO L495 AbstractCegarLoop]: Abstraction has 22582 states and 30477 transitions. [2022-10-16 15:57:18,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:18,582 INFO L276 IsEmpty]: Start isEmpty. Operand 22582 states and 30477 transitions. [2022-10-16 15:57:18,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 15:57:18,584 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:57:18,584 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:57:18,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 15:57:18,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:57:18,799 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:57:18,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:57:18,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1446265646, now seen corresponding path program 1 times [2022-10-16 15:57:18,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:57:18,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619527017] [2022-10-16 15:57:18,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:18,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:57:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:18,916 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 15:57:18,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:57:18,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619527017] [2022-10-16 15:57:18,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619527017] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:57:18,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:57:18,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:57:18,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103221708] [2022-10-16 15:57:18,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:57:18,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:57:18,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:57:18,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:57:18,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:18,918 INFO L87 Difference]: Start difference. First operand 22582 states and 30477 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:22,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:57:22,066 INFO L93 Difference]: Finished difference Result 24446 states and 32981 transitions. [2022-10-16 15:57:22,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:57:22,066 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 15:57:22,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:57:22,093 INFO L225 Difference]: With dead ends: 24446 [2022-10-16 15:57:22,093 INFO L226 Difference]: Without dead ends: 22596 [2022-10-16 15:57:22,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:22,100 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 263 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:57:22,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 601 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:57:22,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22596 states. [2022-10-16 15:57:24,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22596 to 22594. [2022-10-16 15:57:24,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22594 states, 22588 states have (on average 1.348547901540641) internal successors, (30461), 22593 states have internal predecessors, (30461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:24,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22594 states to 22594 states and 30461 transitions. [2022-10-16 15:57:24,787 INFO L78 Accepts]: Start accepts. Automaton has 22594 states and 30461 transitions. Word has length 77 [2022-10-16 15:57:24,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:57:24,787 INFO L495 AbstractCegarLoop]: Abstraction has 22594 states and 30461 transitions. [2022-10-16 15:57:24,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:24,787 INFO L276 IsEmpty]: Start isEmpty. Operand 22594 states and 30461 transitions. [2022-10-16 15:57:24,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 15:57:24,790 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:57:24,790 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:57:24,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 15:57:24,790 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:57:24,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:57:24,791 INFO L85 PathProgramCache]: Analyzing trace with hash 637376640, now seen corresponding path program 1 times [2022-10-16 15:57:24,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:57:24,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890179853] [2022-10-16 15:57:24,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:24,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:57:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:24,922 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:57:24,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:57:24,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890179853] [2022-10-16 15:57:24,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890179853] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:57:24,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:57:24,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:57:24,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306959803] [2022-10-16 15:57:24,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:57:24,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:57:24,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:57:24,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:57:24,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:24,926 INFO L87 Difference]: Start difference. First operand 22594 states and 30461 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:28,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:57:28,303 INFO L93 Difference]: Finished difference Result 28225 states and 38291 transitions. [2022-10-16 15:57:28,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:57:28,303 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 15:57:28,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:57:28,338 INFO L225 Difference]: With dead ends: 28225 [2022-10-16 15:57:28,338 INFO L226 Difference]: Without dead ends: 28202 [2022-10-16 15:57:28,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:28,346 INFO L413 NwaCegarLoop]: 296 mSDtfsCounter, 259 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:57:28,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 693 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:57:28,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28202 states. [2022-10-16 15:57:31,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28202 to 26953. [2022-10-16 15:57:31,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26953 states, 26947 states have (on average 1.3461980925520467) internal successors, (36276), 26952 states have internal predecessors, (36276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:31,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26953 states to 26953 states and 36276 transitions. [2022-10-16 15:57:31,345 INFO L78 Accepts]: Start accepts. Automaton has 26953 states and 36276 transitions. Word has length 78 [2022-10-16 15:57:31,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:57:31,346 INFO L495 AbstractCegarLoop]: Abstraction has 26953 states and 36276 transitions. [2022-10-16 15:57:31,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:31,346 INFO L276 IsEmpty]: Start isEmpty. Operand 26953 states and 36276 transitions. [2022-10-16 15:57:31,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 15:57:31,348 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:57:31,348 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:57:31,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 15:57:31,349 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:57:31,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:57:31,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1261920486, now seen corresponding path program 1 times [2022-10-16 15:57:31,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:57:31,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609428224] [2022-10-16 15:57:31,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:31,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:57:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:31,474 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:57:31,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:57:31,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609428224] [2022-10-16 15:57:31,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609428224] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:57:31,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:57:31,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:57:31,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887949683] [2022-10-16 15:57:31,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:57:31,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:57:31,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:57:31,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:57:31,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:31,477 INFO L87 Difference]: Start difference. First operand 26953 states and 36276 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:35,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:57:35,055 INFO L93 Difference]: Finished difference Result 29145 states and 39236 transitions. [2022-10-16 15:57:35,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:57:35,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 15:57:35,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:57:35,089 INFO L225 Difference]: With dead ends: 29145 [2022-10-16 15:57:35,089 INFO L226 Difference]: Without dead ends: 27903 [2022-10-16 15:57:35,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:35,097 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 239 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:57:35,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 687 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:57:35,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27903 states. [2022-10-16 15:57:38,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27903 to 27901. [2022-10-16 15:57:38,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27901 states, 27895 states have (on average 1.3460476787954831) internal successors, (37548), 27900 states have internal predecessors, (37548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:38,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27901 states to 27901 states and 37548 transitions. [2022-10-16 15:57:38,476 INFO L78 Accepts]: Start accepts. Automaton has 27901 states and 37548 transitions. Word has length 78 [2022-10-16 15:57:38,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:57:38,476 INFO L495 AbstractCegarLoop]: Abstraction has 27901 states and 37548 transitions. [2022-10-16 15:57:38,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:38,476 INFO L276 IsEmpty]: Start isEmpty. Operand 27901 states and 37548 transitions. [2022-10-16 15:57:38,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 15:57:38,478 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:57:38,478 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:57:38,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 15:57:38,478 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:57:38,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:57:38,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1716160482, now seen corresponding path program 1 times [2022-10-16 15:57:38,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:57:38,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822585241] [2022-10-16 15:57:38,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:38,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:57:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:38,595 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:57:38,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:57:38,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822585241] [2022-10-16 15:57:38,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822585241] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:57:38,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:57:38,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:57:38,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454330521] [2022-10-16 15:57:38,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:57:38,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:57:38,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:57:38,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:57:38,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:38,598 INFO L87 Difference]: Start difference. First operand 27901 states and 37548 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:41,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:57:41,820 INFO L93 Difference]: Finished difference Result 34308 states and 46010 transitions. [2022-10-16 15:57:41,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:57:41,821 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 15:57:41,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:57:41,847 INFO L225 Difference]: With dead ends: 34308 [2022-10-16 15:57:41,848 INFO L226 Difference]: Without dead ends: 22023 [2022-10-16 15:57:41,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:41,873 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 252 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:57:41,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 585 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:57:41,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22023 states. [2022-10-16 15:57:44,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22023 to 16968. [2022-10-16 15:57:44,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16968 states, 16962 states have (on average 1.335455724560783) internal successors, (22652), 16967 states have internal predecessors, (22652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:44,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16968 states to 16968 states and 22652 transitions. [2022-10-16 15:57:44,196 INFO L78 Accepts]: Start accepts. Automaton has 16968 states and 22652 transitions. Word has length 79 [2022-10-16 15:57:44,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:57:44,196 INFO L495 AbstractCegarLoop]: Abstraction has 16968 states and 22652 transitions. [2022-10-16 15:57:44,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:44,196 INFO L276 IsEmpty]: Start isEmpty. Operand 16968 states and 22652 transitions. [2022-10-16 15:57:44,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 15:57:44,199 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:57:44,199 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:57:44,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 15:57:44,200 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:57:44,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:57:44,200 INFO L85 PathProgramCache]: Analyzing trace with hash 13559432, now seen corresponding path program 1 times [2022-10-16 15:57:44,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:57:44,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789813245] [2022-10-16 15:57:44,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:44,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:57:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:44,405 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:57:44,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:57:44,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789813245] [2022-10-16 15:57:44,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789813245] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:57:44,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:57:44,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:57:44,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327165211] [2022-10-16 15:57:44,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:57:44,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:57:44,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:57:44,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:57:44,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:44,407 INFO L87 Difference]: Start difference. First operand 16968 states and 22652 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:47,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:57:47,272 INFO L93 Difference]: Finished difference Result 17764 states and 23676 transitions. [2022-10-16 15:57:47,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:57:47,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-16 15:57:47,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:57:47,289 INFO L225 Difference]: With dead ends: 17764 [2022-10-16 15:57:47,289 INFO L226 Difference]: Without dead ends: 16179 [2022-10-16 15:57:47,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:47,293 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 238 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:57:47,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 733 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:57:47,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16179 states. [2022-10-16 15:57:49,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16179 to 16176. [2022-10-16 15:57:49,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16176 states, 16170 states have (on average 1.3375386518243662) internal successors, (21628), 16175 states have internal predecessors, (21628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:49,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16176 states to 16176 states and 21628 transitions. [2022-10-16 15:57:49,342 INFO L78 Accepts]: Start accepts. Automaton has 16176 states and 21628 transitions. Word has length 83 [2022-10-16 15:57:49,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:57:49,342 INFO L495 AbstractCegarLoop]: Abstraction has 16176 states and 21628 transitions. [2022-10-16 15:57:49,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:49,342 INFO L276 IsEmpty]: Start isEmpty. Operand 16176 states and 21628 transitions. [2022-10-16 15:57:49,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 15:57:49,347 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:57:49,347 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:57:49,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 15:57:49,348 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:57:49,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:57:49,348 INFO L85 PathProgramCache]: Analyzing trace with hash -602661907, now seen corresponding path program 1 times [2022-10-16 15:57:49,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:57:49,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116373129] [2022-10-16 15:57:49,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:49,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:57:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:49,433 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 15:57:49,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:57:49,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116373129] [2022-10-16 15:57:49,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116373129] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:57:49,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:57:49,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:57:49,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385606662] [2022-10-16 15:57:49,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:57:49,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:57:49,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:57:49,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:57:49,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:57:49,436 INFO L87 Difference]: Start difference. First operand 16176 states and 21628 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:50,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:57:50,905 INFO L93 Difference]: Finished difference Result 18053 states and 24008 transitions. [2022-10-16 15:57:50,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:57:50,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-10-16 15:57:50,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:57:50,917 INFO L225 Difference]: With dead ends: 18053 [2022-10-16 15:57:50,917 INFO L226 Difference]: Without dead ends: 9428 [2022-10-16 15:57:50,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:57:50,925 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 59 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:57:50,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 273 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:57:50,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9428 states. [2022-10-16 15:57:52,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9428 to 9417. [2022-10-16 15:57:52,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9417 states, 9411 states have (on average 1.3138880034002762) internal successors, (12365), 9416 states have internal predecessors, (12365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:52,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9417 states to 9417 states and 12365 transitions. [2022-10-16 15:57:52,131 INFO L78 Accepts]: Start accepts. Automaton has 9417 states and 12365 transitions. Word has length 104 [2022-10-16 15:57:52,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:57:52,132 INFO L495 AbstractCegarLoop]: Abstraction has 9417 states and 12365 transitions. [2022-10-16 15:57:52,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:52,132 INFO L276 IsEmpty]: Start isEmpty. Operand 9417 states and 12365 transitions. [2022-10-16 15:57:52,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 15:57:52,137 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:57:52,137 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:57:52,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 15:57:52,137 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:57:52,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:57:52,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1886929719, now seen corresponding path program 1 times [2022-10-16 15:57:52,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:57:52,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675009842] [2022-10-16 15:57:52,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:52,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:57:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:52,242 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 15:57:52,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:57:52,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675009842] [2022-10-16 15:57:52,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675009842] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:57:52,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:57:52,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:57:52,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098686187] [2022-10-16 15:57:52,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:57:52,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:57:52,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:57:52,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:57:52,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:57:52,246 INFO L87 Difference]: Start difference. First operand 9417 states and 12365 transitions. Second operand has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:53,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:57:53,573 INFO L93 Difference]: Finished difference Result 9689 states and 12705 transitions. [2022-10-16 15:57:53,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:57:53,573 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-16 15:57:53,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:57:53,585 INFO L225 Difference]: With dead ends: 9689 [2022-10-16 15:57:53,585 INFO L226 Difference]: Without dead ends: 9687 [2022-10-16 15:57:53,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:57:53,589 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 150 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:57:53,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 601 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:57:53,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9687 states. [2022-10-16 15:57:54,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9687 to 9415. [2022-10-16 15:57:54,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9415 states, 9411 states have (on average 1.2985867601742642) internal successors, (12221), 9414 states have internal predecessors, (12221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:54,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9415 states to 9415 states and 12221 transitions. [2022-10-16 15:57:54,771 INFO L78 Accepts]: Start accepts. Automaton has 9415 states and 12221 transitions. Word has length 106 [2022-10-16 15:57:54,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:57:54,771 INFO L495 AbstractCegarLoop]: Abstraction has 9415 states and 12221 transitions. [2022-10-16 15:57:54,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:54,771 INFO L276 IsEmpty]: Start isEmpty. Operand 9415 states and 12221 transitions. [2022-10-16 15:57:54,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 15:57:54,776 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:57:54,776 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:57:54,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 15:57:54,777 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:57:54,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:57:54,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1392133333, now seen corresponding path program 2 times [2022-10-16 15:57:54,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:57:54,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470852607] [2022-10-16 15:57:54,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:54,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:57:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:54,911 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 15:57:54,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:57:54,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470852607] [2022-10-16 15:57:54,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470852607] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:57:54,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:57:54,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:57:54,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322529264] [2022-10-16 15:57:54,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:57:54,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:57:54,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:57:54,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:57:54,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:54,913 INFO L87 Difference]: Start difference. First operand 9415 states and 12221 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:56,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:57:56,444 INFO L93 Difference]: Finished difference Result 9733 states and 12629 transitions. [2022-10-16 15:57:56,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:57:56,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-10-16 15:57:56,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:57:56,453 INFO L225 Difference]: With dead ends: 9733 [2022-10-16 15:57:56,453 INFO L226 Difference]: Without dead ends: 8795 [2022-10-16 15:57:56,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:56,461 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 217 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:57:56,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 680 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:57:56,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8795 states. [2022-10-16 15:57:57,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8795 to 8163. [2022-10-16 15:57:57,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8163 states, 8159 states have (on average 1.300649589410467) internal successors, (10612), 8162 states have internal predecessors, (10612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:57,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8163 states to 8163 states and 10612 transitions. [2022-10-16 15:57:57,499 INFO L78 Accepts]: Start accepts. Automaton has 8163 states and 10612 transitions. Word has length 107 [2022-10-16 15:57:57,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:57:57,499 INFO L495 AbstractCegarLoop]: Abstraction has 8163 states and 10612 transitions. [2022-10-16 15:57:57,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:57,500 INFO L276 IsEmpty]: Start isEmpty. Operand 8163 states and 10612 transitions. [2022-10-16 15:57:57,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 15:57:57,504 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:57:57,504 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:57:57,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 15:57:57,505 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:57:57,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:57:57,505 INFO L85 PathProgramCache]: Analyzing trace with hash -863256117, now seen corresponding path program 2 times [2022-10-16 15:57:57,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:57:57,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673671619] [2022-10-16 15:57:57,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:57,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:57:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:57,643 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 15:57:57,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:57:57,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673671619] [2022-10-16 15:57:57,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673671619] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:57:57,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:57:57,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:57:57,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663489698] [2022-10-16 15:57:57,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:57:57,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:57:57,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:57:57,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:57:57,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:57,646 INFO L87 Difference]: Start difference. First operand 8163 states and 10612 transitions. Second operand has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:58,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:57:58,842 INFO L93 Difference]: Finished difference Result 8167 states and 10612 transitions. [2022-10-16 15:57:58,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:57:58,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 15:57:58,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:57:58,855 INFO L225 Difference]: With dead ends: 8167 [2022-10-16 15:57:58,855 INFO L226 Difference]: Without dead ends: 8165 [2022-10-16 15:57:58,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:58,859 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 195 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:57:58,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 533 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:57:58,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8165 states. [2022-10-16 15:57:59,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8165 to 8163. [2022-10-16 15:57:59,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8163 states, 8159 states have (on average 1.292805490868979) internal successors, (10548), 8162 states have internal predecessors, (10548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:59,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8163 states to 8163 states and 10548 transitions. [2022-10-16 15:57:59,877 INFO L78 Accepts]: Start accepts. Automaton has 8163 states and 10548 transitions. Word has length 108 [2022-10-16 15:57:59,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:57:59,878 INFO L495 AbstractCegarLoop]: Abstraction has 8163 states and 10548 transitions. [2022-10-16 15:57:59,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:59,878 INFO L276 IsEmpty]: Start isEmpty. Operand 8163 states and 10548 transitions. [2022-10-16 15:57:59,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 15:57:59,882 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:57:59,882 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:57:59,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 15:57:59,882 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:57:59,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:57:59,883 INFO L85 PathProgramCache]: Analyzing trace with hash 361253192, now seen corresponding path program 2 times [2022-10-16 15:57:59,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:57:59,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103821265] [2022-10-16 15:57:59,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:59,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:57:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:58:00,022 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 15:58:00,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:58:00,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103821265] [2022-10-16 15:58:00,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103821265] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:58:00,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:58:00,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:58:00,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693225550] [2022-10-16 15:58:00,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:58:00,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:58:00,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:58:00,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:58:00,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:00,025 INFO L87 Difference]: Start difference. First operand 8163 states and 10548 transitions. Second operand has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:01,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:58:01,098 INFO L93 Difference]: Finished difference Result 8481 states and 10956 transitions. [2022-10-16 15:58:01,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:58:01,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 15:58:01,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:58:01,107 INFO L225 Difference]: With dead ends: 8481 [2022-10-16 15:58:01,107 INFO L226 Difference]: Without dead ends: 6619 [2022-10-16 15:58:01,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:01,110 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 196 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:58:01,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 525 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:58:01,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6619 states. [2022-10-16 15:58:01,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6619 to 5987. [2022-10-16 15:58:01,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5987 states, 5983 states have (on average 1.2961724887180344) internal successors, (7755), 5986 states have internal predecessors, (7755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:01,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5987 states to 5987 states and 7755 transitions. [2022-10-16 15:58:01,848 INFO L78 Accepts]: Start accepts. Automaton has 5987 states and 7755 transitions. Word has length 108 [2022-10-16 15:58:01,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:58:01,848 INFO L495 AbstractCegarLoop]: Abstraction has 5987 states and 7755 transitions. [2022-10-16 15:58:01,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:01,848 INFO L276 IsEmpty]: Start isEmpty. Operand 5987 states and 7755 transitions. [2022-10-16 15:58:01,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 15:58:01,851 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:58:01,851 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:58:01,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 15:58:01,852 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:58:01,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:58:01,852 INFO L85 PathProgramCache]: Analyzing trace with hash -991135693, now seen corresponding path program 2 times [2022-10-16 15:58:01,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:58:01,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348342301] [2022-10-16 15:58:01,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:58:01,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:58:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:58:01,994 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 15:58:01,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:58:01,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348342301] [2022-10-16 15:58:01,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348342301] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:58:01,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:58:01,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:58:01,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669657948] [2022-10-16 15:58:01,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:58:01,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:58:01,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:58:01,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:58:01,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:01,996 INFO L87 Difference]: Start difference. First operand 5987 states and 7755 transitions. Second operand has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:02,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:58:02,765 INFO L93 Difference]: Finished difference Result 8151 states and 10553 transitions. [2022-10-16 15:58:02,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:58:02,765 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 15:58:02,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:58:02,769 INFO L225 Difference]: With dead ends: 8151 [2022-10-16 15:58:02,770 INFO L226 Difference]: Without dead ends: 4069 [2022-10-16 15:58:02,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:02,773 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 174 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:58:02,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 431 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:58:02,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4069 states. [2022-10-16 15:58:03,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4069 to 2725. [2022-10-16 15:58:03,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2725 states, 2724 states have (on average 1.2643171806167401) internal successors, (3444), 2724 states have internal predecessors, (3444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:03,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2725 states and 3444 transitions. [2022-10-16 15:58:03,149 INFO L78 Accepts]: Start accepts. Automaton has 2725 states and 3444 transitions. Word has length 109 [2022-10-16 15:58:03,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:58:03,150 INFO L495 AbstractCegarLoop]: Abstraction has 2725 states and 3444 transitions. [2022-10-16 15:58:03,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:03,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 3444 transitions. [2022-10-16 15:58:03,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 15:58:03,153 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:58:03,153 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:58:03,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 15:58:03,153 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:58:03,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:58:03,154 INFO L85 PathProgramCache]: Analyzing trace with hash -690151223, now seen corresponding path program 1 times [2022-10-16 15:58:03,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:58:03,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113032238] [2022-10-16 15:58:03,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:58:03,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:58:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:58:03,303 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:58:03,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:58:03,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113032238] [2022-10-16 15:58:03,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113032238] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:58:03,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:58:03,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:58:03,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069674754] [2022-10-16 15:58:03,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:58:03,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:58:03,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:58:03,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:58:03,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:03,306 INFO L87 Difference]: Start difference. First operand 2725 states and 3444 transitions. Second operand has 5 states, 4 states have (on average 28.25) internal successors, (113), 5 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:04,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:58:04,089 INFO L93 Difference]: Finished difference Result 3579 states and 4536 transitions. [2022-10-16 15:58:04,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:58:04,090 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.25) internal successors, (113), 5 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-10-16 15:58:04,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:58:04,092 INFO L225 Difference]: With dead ends: 3579 [2022-10-16 15:58:04,092 INFO L226 Difference]: Without dead ends: 2678 [2022-10-16 15:58:04,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:04,093 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 173 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:58:04,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 645 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:58:04,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2678 states. [2022-10-16 15:58:04,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2678 to 2677. [2022-10-16 15:58:04,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2677 states, 2676 states have (on average 1.2630792227204783) internal successors, (3380), 2676 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:04,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2677 states to 2677 states and 3380 transitions. [2022-10-16 15:58:04,487 INFO L78 Accepts]: Start accepts. Automaton has 2677 states and 3380 transitions. Word has length 114 [2022-10-16 15:58:04,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:58:04,487 INFO L495 AbstractCegarLoop]: Abstraction has 2677 states and 3380 transitions. [2022-10-16 15:58:04,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.25) internal successors, (113), 5 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:04,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 3380 transitions. [2022-10-16 15:58:04,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 15:58:04,489 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:58:04,489 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:58:04,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 15:58:04,489 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:58:04,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:58:04,490 INFO L85 PathProgramCache]: Analyzing trace with hash 839020203, now seen corresponding path program 2 times [2022-10-16 15:58:04,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:58:04,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19903423] [2022-10-16 15:58:04,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:58:04,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:58:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:58:04,668 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 15:58:04,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:58:04,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19903423] [2022-10-16 15:58:04,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19903423] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:58:04,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:58:04,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:58:04,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163320341] [2022-10-16 15:58:04,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:58:04,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:58:04,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:58:04,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:58:04,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:04,671 INFO L87 Difference]: Start difference. First operand 2677 states and 3380 transitions. Second operand has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:05,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:58:05,325 INFO L93 Difference]: Finished difference Result 3799 states and 4812 transitions. [2022-10-16 15:58:05,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:58:05,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-10-16 15:58:05,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:58:05,328 INFO L225 Difference]: With dead ends: 3799 [2022-10-16 15:58:05,328 INFO L226 Difference]: Without dead ends: 2678 [2022-10-16 15:58:05,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:05,330 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 177 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:58:05,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 729 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:58:05,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2678 states. [2022-10-16 15:58:05,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2678 to 2677. [2022-10-16 15:58:05,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2677 states, 2676 states have (on average 1.258594917787743) internal successors, (3368), 2676 states have internal predecessors, (3368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:05,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2677 states to 2677 states and 3368 transitions. [2022-10-16 15:58:05,721 INFO L78 Accepts]: Start accepts. Automaton has 2677 states and 3368 transitions. Word has length 114 [2022-10-16 15:58:05,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:58:05,722 INFO L495 AbstractCegarLoop]: Abstraction has 2677 states and 3368 transitions. [2022-10-16 15:58:05,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:05,722 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 3368 transitions. [2022-10-16 15:58:05,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 15:58:05,723 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:58:05,724 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:58:05,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 15:58:05,724 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:58:05,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:58:05,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1361442188, now seen corresponding path program 2 times [2022-10-16 15:58:05,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:58:05,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961525083] [2022-10-16 15:58:05,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:58:05,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:58:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:58:05,862 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-16 15:58:05,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:58:05,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961525083] [2022-10-16 15:58:05,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961525083] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:58:05,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:58:05,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:58:05,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462098378] [2022-10-16 15:58:05,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:58:05,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:58:05,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:58:05,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:58:05,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:05,864 INFO L87 Difference]: Start difference. First operand 2677 states and 3368 transitions. Second operand has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:06,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:58:06,534 INFO L93 Difference]: Finished difference Result 2947 states and 3704 transitions. [2022-10-16 15:58:06,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:58:06,535 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-10-16 15:58:06,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:58:06,538 INFO L225 Difference]: With dead ends: 2947 [2022-10-16 15:58:06,538 INFO L226 Difference]: Without dead ends: 2362 [2022-10-16 15:58:06,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:06,539 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 182 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:58:06,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 591 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:58:06,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2022-10-16 15:58:06,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2093. [2022-10-16 15:58:06,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2093 states, 2092 states have (on average 1.2504780114722753) internal successors, (2616), 2092 states have internal predecessors, (2616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:06,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 2093 states and 2616 transitions. [2022-10-16 15:58:06,814 INFO L78 Accepts]: Start accepts. Automaton has 2093 states and 2616 transitions. Word has length 115 [2022-10-16 15:58:06,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:58:06,814 INFO L495 AbstractCegarLoop]: Abstraction has 2093 states and 2616 transitions. [2022-10-16 15:58:06,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:06,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2616 transitions. [2022-10-16 15:58:06,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 15:58:06,816 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:58:06,816 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:58:06,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 15:58:06,816 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:58:06,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:58:06,817 INFO L85 PathProgramCache]: Analyzing trace with hash -991917516, now seen corresponding path program 3 times [2022-10-16 15:58:06,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:58:06,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87138601] [2022-10-16 15:58:06,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:58:06,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:58:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:58:06,963 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 15:58:06,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:58:06,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87138601] [2022-10-16 15:58:06,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87138601] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:58:06,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:58:06,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:58:06,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524978298] [2022-10-16 15:58:06,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:58:06,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:58:06,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:58:06,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:58:06,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:06,965 INFO L87 Difference]: Start difference. First operand 2093 states and 2616 transitions. Second operand has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:07,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:58:07,378 INFO L93 Difference]: Finished difference Result 2094 states and 2616 transitions. [2022-10-16 15:58:07,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:58:07,379 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-10-16 15:58:07,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:58:07,380 INFO L225 Difference]: With dead ends: 2094 [2022-10-16 15:58:07,380 INFO L226 Difference]: Without dead ends: 1241 [2022-10-16 15:58:07,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:07,382 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 166 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:58:07,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 635 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:58:07,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2022-10-16 15:58:07,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1241. [2022-10-16 15:58:07,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1241 states, 1240 states have (on average 1.2451612903225806) internal successors, (1544), 1240 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:07,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1544 transitions. [2022-10-16 15:58:07,544 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1544 transitions. Word has length 115 [2022-10-16 15:58:07,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:58:07,544 INFO L495 AbstractCegarLoop]: Abstraction has 1241 states and 1544 transitions. [2022-10-16 15:58:07,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:07,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1544 transitions. [2022-10-16 15:58:07,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-16 15:58:07,547 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:58:07,547 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:58:07,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 15:58:07,547 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 15:58:07,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:58:07,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1742822489, now seen corresponding path program 1 times [2022-10-16 15:58:07,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:58:07,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969666860] [2022-10-16 15:58:07,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:58:07,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:58:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:58:07,698 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 15:58:07,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:58:07,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969666860] [2022-10-16 15:58:07,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969666860] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:58:07,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:58:07,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:58:07,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201539918] [2022-10-16 15:58:07,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:58:07,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:58:07,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:58:07,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:58:07,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:07,700 INFO L87 Difference]: Start difference. First operand 1241 states and 1544 transitions. Second operand has 5 states, 4 states have (on average 33.25) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:07,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:58:07,921 INFO L93 Difference]: Finished difference Result 1241 states and 1544 transitions. [2022-10-16 15:58:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:58:07,922 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.25) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2022-10-16 15:58:07,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:58:07,922 INFO L225 Difference]: With dead ends: 1241 [2022-10-16 15:58:07,922 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 15:58:07,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:07,923 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 152 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:58:07,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 563 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:58:07,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 15:58:07,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 15:58:07,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:07,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 15:58:07,924 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 142 [2022-10-16 15:58:07,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:58:07,925 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 15:58:07,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.25) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:07,925 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 15:58:07,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 15:58:07,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2022-10-16 15:58:07,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2022-10-16 15:58:07,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2022-10-16 15:58:07,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2022-10-16 15:58:07,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2022-10-16 15:58:07,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2022-10-16 15:58:07,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2022-10-16 15:58:07,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2022-10-16 15:58:07,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2022-10-16 15:58:07,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2022-10-16 15:58:07,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2022-10-16 15:58:07,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2022-10-16 15:58:07,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2022-10-16 15:58:07,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2022-10-16 15:58:07,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2022-10-16 15:58:07,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2022-10-16 15:58:07,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 15:58:07,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 15:58:21,105 WARN L233 SmtUtils]: Spent 13.14s on a formula simplification. DAG size of input: 1037 DAG size of output: 1026 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-10-16 15:59:04,020 WARN L233 SmtUtils]: Spent 42.90s on a formula simplification. DAG size of input: 1534 DAG size of output: 1522 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-10-16 15:59:12,463 WARN L233 SmtUtils]: Spent 8.43s on a formula simplification. DAG size of input: 793 DAG size of output: 782 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)